The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Key Features

  • High radial load capacity
  • Unique brass cage design for demanding applications
  • Bearing can be separated for easier mounting and dismounting
  • Design has a cylindrical inner ring and two ribs on the outer ring, making type NU bearings well suited for use as floating bearings
  • Enhanced operational reliability
  • Long service life
Unit of Measure

Key Dimensions

Bore (d)

 N/A 320.000 mm

O.D. (D)

 N/A 580 mm22.8346 in

Width (B)

 N/A 7.5 in190.5 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 4480000 N1010000 lbf

Other Dimensions

Weight

 N/A 241.000 Kg531.30 lb

Shaft Backing Shoulder Diameter

 N/A 340 mm13.4000 in

Housing Backing Shoulder Diameter

 N/A 560 mm22.1000 in

Max Shaft Fillet Radius LF ID

 N/A 4 in0.200 mm

Max Shaft Fillet Radius RF ID

 N/A 4 in0.2 mm

Max Housing Fillet Radius LF OD

 N/A 4 in0.2 mm

Max Housing Fillet Radius RF OD

 N/A 4 in0.2 mm

Design Units

 N/A Metric

Type

 N/A NU

Ratings

Static Radial Load Rating (C0)

 N/A 6440000 N1450000 lbf

Thermal Reference Speed - Grease 

 N/A 480 rpm
Thermal Reference Speed - Oil2 N/A 520 rpm

Factors

Geometry Factor (Cg) 3 N/A 0.236
  • 1 Based on 1 x 106 L10 life for the ISO life calculation method.
  • 2 See thermal speed ratings in the engineering section.
  • 3 Geometry constant for Lubrication Life Adjustment Factor a3l.